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  • Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4Volcanic Red Tintcoat 2026 GMC Sierra 3500 AT4

    $86,340

    Est. $1,553/mo

    Holiday Chevrolet Buick GMC Dealership

    4.8
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    Fond Du Lac, WI (29 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $53,607

    MSRP $54,928

    Est. $964/mo

    Sheboygan Chevrolet

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    Sheboygan, WI (11 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $77,249

    $500
    Est. $1,389/mo

    Lynch Buick GMC of West Bend

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    West Bend, WI (22 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $65,683

    Est. $1,181/mo

    Holiday Chevrolet Buick GMC Dealership

    4.8
    Check Availability
    Fond Du Lac, WI (29 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $87,597

    Est. $1,576/mo

    Holiday Chevrolet Buick GMC Dealership

    4.8
    Check Availability
    Fond Du Lac, WI (29 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $68,108

    Est. $1,225/mo

    Holiday Chevrolet Buick GMC Dealership

    4.8
    Check Availability
    Fond Du Lac, WI (29 mi)
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  • Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4Coastal Dune 2026 GMC Sierra 3500 AT4

    $86,870

    Est. $1,563/mo

    Holiday Chevrolet Buick GMC Dealership

    4.8
    Check Availability
    Fond Du Lac, WI (29 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $104,760

    Est. $1,884/mo

    Holiday Chevrolet Buick GMC Dealership

    4.8
    Check Availability
    Fond Du Lac, WI (29 mi)
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  • Onyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 Base

    $54,011

    Est. $971/mo

    Lynch Buick GMC of West Bend

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    West Bend, WI (22 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $58,082

    Est. $1,045/mo

    Lynch Buick GMC of West Bend

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    West Bend, WI (22 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $89,799

    Est. $1,615/mo

    Lynch Buick GMC of West Bend

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    West Bend, WI (22 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $90,254

    Est. $1,623/mo

    Lynch Buick GMC of West Bend

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    West Bend, WI (22 mi)
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  • Onyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 BaseOnyx Black 2026 GMC Sierra 3500 Base

    $53,511

    Est. $962/mo

    Lynch Buick GMC of West Bend

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    West Bend, WI (22 mi)
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  • Summit White 2026 GMC Sierra 3500 SLT

    $69,412

    MSRP $77,615

    Est. $1,248/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $299 delivery from Gurnee, IL (89 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $93,412

    MSRP $101,785

    Est. $1,680/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $299 delivery from Gurnee, IL (89 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $92,808

    Est. $1,669/mo

    Brookfield Buick GMC

    4.7
    Check Availability
    Brookfield, WI (40 mi)
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  • Summit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 BaseSummit White 2026 GMC Sierra 3500 Base

    $61,884

    MSRP $62,086

    Est. $1,113/mo

    Bergstrom Chevrolet GMC of Manitowoc

    4.9
    Check Availability
    Manitowoc, WI (32 mi)
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  • Summit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 Pro

    $80,761

    Est. $1,453/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
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    Menomonee Falls, WI (35 mi)
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  • Glacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 DenaliGlacier White 2026 GMC Sierra 3500 Denali

    $87,174

    $1.4K
    2,280 mi.
    Est. $1,568/mo

    Kunes Buick GMC of Greenfield

    4.2
    Check Availability
    Greenfield, WI (48 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $89,750

    MSRP $94,450

    Est. $1,614/mo

    Bergstrom GMC Buick of Appleton

    4.8
    Check Availability
    Appleton, WI (49 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $97,433

    Est. $1,753/mo

    Brookfield Buick GMC

    4.7
    Check Availability
    Brookfield, WI (40 mi)
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  • Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4Summit White 2026 GMC Sierra 3500 AT4

    $89,938

    MSRP $92,144

    Est. $1,618/mo

    Kunes Buick GMC of Greenfield

    4.2
    Check Availability
    Greenfield, WI (48 mi)
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  • Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4Onyx Black 2026 GMC Sierra 3500 AT4

    $89,223

    MSRP $95,345

    Est. $1,605/mo

    Bergstrom GMC Buick of Appleton

    4.8
    Check Availability
    Appleton, WI (49 mi)
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  • Glacier White Tricoat 2026 GMC Sierra 3500 DenaliGlacier White Tricoat 2026 GMC Sierra 3500 Denali

    $89,807

    $5.7K
    Est. $1,615/mo

    Brookfield Buick GMC

    4.7
    Check Availability
    Brookfield, WI (40 mi)
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  • Onyx Black 2026 GMC Sierra 3500 DenaliOnyx Black 2026 GMC Sierra 3500 Denali

    $97,205

    $5.6K
    Est. $1,748/mo

    Brookfield Buick GMC

    4.7
    Check Availability
    Brookfield, WI (40 mi)
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  • Sterling Metallic 2026 GMC Sierra 3500 DenaliSterling Metallic 2026 GMC Sierra 3500 Denali

    $87,669

    $5.5K
    Est. $1,577/mo

    Brookfield Buick GMC

    4.7
    Check Availability
    Brookfield, WI (40 mi)
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  • Summit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 ProSummit White 2026 GMC Sierra 3500 Pro

    $80,761

    Est. $1,453/mo

    Ewald Buick GMC of Menomonee Falls

    4.7
    Check Availability
    Menomonee Falls, WI (35 mi)
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About the 2026 GMC Sierra 3500

Basics

Pro shown (base trim).

Seating
2
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
0
Transmission
10-Speed A/T
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2026 GMC Sierra 3500
FAQs

How much does the 2026 GMC Sierra 3500 cost?

The 2026 GMC Sierra 3500 price depends on trim level and optional features. Prices typically start at $48,200 and go as high as $97,800 for fully loaded models.

What are some similar vehicles and competitors of the 2026 GMC Sierra 3500?

The 2026 GMC Sierra 3500 compares to and/or competes against the following vehicles:


Is the 2026 GMC Sierra 3500 reliable?

The 2026 GMC Sierra 3500 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 3500 owners.

Is the 2026 GMC Sierra 3500 a good truck?

Below are the Cars.com consumer ratings for the 2026 GMC Sierra 3500.

(1 review)
Rating breakdown (out of 5):
Comfort
3.0
Interior
5.0
Performance
5.0
Value
3.0
Exterior
5.0
Reliability
5.0
Ratings (1 review)

Rating breakdown (out of 5):
Comfort
3.0
Interior
5.0
Performance
5.0
Value
3.0
Exterior
5.0
Reliability
5.0
Trims

AT4 (2 styles)

Style
4WD Crew Cab 159" AT4 4WD Crew Cab 172" AT4
Inventory price
Starting at $73,400 Starting at $73,600
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Denali (2 styles)

Style
4WD Crew Cab 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $76,300 Starting at $76,500
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Denali Ultimate (2 styles)

Style
4WD Crew Cab 172" Denali Ultimate 4WD Crew Cab 159" Denali Ultimate
Inventory price
Starting at $97,800 Starting at $97,600
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Pro (8 styles)

Style
4WD Double Cab 162" Pro 2WD Double Cab 162" Pro 2WD Crew Cab 172" Pro 4WD Crew Cab 172" Pro 2WD Crew Cab 159" Pro 4WD Crew Cab 159" Pro 4WD Reg Cab 142" Pro 2WD Reg Cab 142" Pro
Inventory price
Starting at $53,100 Starting at $50,300 Starting at $52,100 Starting at $54,900 Starting at $51,900 Starting at $54,700 Starting at $51,000 Starting at $48,200
Combined MPG
0 0 0 0 0 0 0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLE (4 styles)

Style
4WD Double Cab 162" SLE 4WD Reg Cab 142" SLE 4WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE
Inventory price
Starting at $57,500 Starting at $55,200 Starting at $59,300 Starting at $59,100
Combined MPG
0 0 0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLT (2 styles)

Style
4WD Crew Cab 172" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $66,600 Starting at $66,400
Combined MPG
0 0
Engine
470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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